7SQM | pdb_00007sqm

Discovery and Preclinical Pharmacology of INE963, A Potent and Fast-Acting Blood-Stage Antimalarial with a High Barrier to Resistance and Potential for Single-Dose Cure in Uncomplicated Malaria

PDB DOI: https://doi.org/10.2210/pdb7SQM/pdb

Classification: ANTIVIRAL PROTEIN
Organism(s): Homo sapiens
Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG
Mutation(s): No

Deposited: 2021-11-05 Released: 2021-12-29
Deposition Author(s): Shu, W., Yokokawa, F.
Funding Organization(s): Not funded

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.78 Å
R-Value Free:
0.205 (Depositor), 0.206 (DCC)
R-Value Work:
0.173 (Depositor), 0.175 (DCC)
R-Value Observed:
0.175 (Depositor)

Starting Model: experimental
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Ligand Structure Quality Assessment

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Literature

Failure of artesunate-mefloquine combination therapy for uncompli-cated Plasmodium falciparum malaria in southern Cambodia.

Rogers, W.O., Wongsrichanalai, C.

(2009) Malar J 2009, 8, 10: 8-10

Macromolecule Content

Total Structure Weight: 40.92 kDa
Atom Count: 3,206
Modeled Residue Count: 346
Deposited Residue Count: 357
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Serine/threonine-protein kinase haspin	A	357	Homo sapiens	Mutation(s): 0 Gene Names: HASPIN, GSG2 EC: 2.7.11.1
UniProt & NIH Common Fund Data Resources
Find proteins for Q8TF76 (Homo sapiens) Explore Q8TF76 Go to UniProtKB: Q8TF76
PHAROS: Q8TF76 GTEx: ENSG00000177602
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q8TF76
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
A5G (Subject of Investigation/LOI) Query on A5G Download:Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF format, chain B [auth A]	B [auth A]	1-[(4S)-5-(2,4-difluorophenyl)imidazo[2,1-b][1,3,4]thiadiazol-2-yl]-4-methylpiperidin-4-amine C₁₆ H₁₇ F₂ N₅ S ZGROGDMIGGHZAV-UHFFFAOYSA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]
GOL Query on GOL Download:Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain D [auth A] MOL2 format, chain C [auth A] MOL2 format, chain D [auth A] mmCIF format, chain C [auth A] mmCIF format, chain D [auth A]	C [auth A], D [auth A]	GLYCEROL C₃ H₈ O₃ PEDCQBHIVMGVHV-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Focus chain D [auth A] Interactions & Density Focus chain C [auth A] Focus chain D [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.78 Å
R-Value Free: 0.205 (Depositor), 0.206 (DCC)
R-Value Work: 0.173 (Depositor), 0.175 (DCC)
R-Value Observed: 0.175 (Depositor)

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 73.026	α = 90
b = 77.045	β = 90
c = 86.308	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PHENIX	refinement
XDS	data reduction
Aimless	data scaling
AMoRE	phasing

Structure Validation

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Ligand Structure Quality Assessment

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Entry History

& Funding Information

Deposition Data

Released Date: 2021-12-29

Deposition Author(s):

Funding Organization	Location	Grant Number
Not funded		--

Revision History (Full details and data files)

Version 1.0: 2021-12-29
Type: Initial release
Version 1.1: 2023-10-18
Changes: Data collection, Refinement description

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.